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                            <b>1.</b>
                        
                        什么是函数
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                            <b>2.</b>
                        
                        函数的基本使用
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                            <b>3.</b>
                        
                        函数的参数
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                            <b>4.</b>
                        
                        函数的返回值
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                        文档注释
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                        函数练习
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                            <b>7.</b>
                        
                        函数调用函数
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                            <b>8.</b>
                        
                        函数高级
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                        局部变量和全局变量
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                            <b>8.2.</b>
                        
                        函数返回值详解
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                        函数参数详解
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                        可变数据类型和不可变数据类型
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                        <h2 id="&#x51FD;&#x6570;&#x5B9A;&#x4E49;&#x548C;&#x8C03;&#x7528;">&#x51FD;&#x6570;&#x5B9A;&#x4E49;&#x548C;&#x8C03;&#x7528;</h2>
<h3 id="&#x4E00;&#x3001;&#x5B9A;&#x4E49;&#x51FD;&#x6570;">&#x4E00;&#x3001;&#x5B9A;&#x4E49;&#x51FD;&#x6570;</h3>
<p>&#x5B9A;&#x4E49;&#x51FD;&#x6570;&#x7684;&#x683C;&#x5F0F;&#x5982;&#x4E0B;&#xFF1A;</p>
<pre><code class="lang-python"><span class="hljs-function"><span class="hljs-keyword">def</span> &#x51FD;&#x6570;&#x540D;<span class="hljs-params">()</span>:</span>
    &#x4EE3;&#x7801;
</code></pre>
<p>&#x793A;&#x4F8B;&#xFF1A;</p>
<pre><code class="lang-python"><span class="hljs-comment"># &#x5B9A;&#x4E49;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#xFF0C;&#x80FD;&#x591F;&#x5B8C;&#x6210;&#x6253;&#x5370;&#x4FE1;&#x606F;&#x7684;&#x529F;&#x80FD;</span>
<span class="hljs-function"><span class="hljs-keyword">def</span> <span class="hljs-title">printInfo</span><span class="hljs-params">()</span>:</span>
    print(<span class="hljs-string">&apos;------------------------------------&apos;</span>)
    print(<span class="hljs-string">&apos;         &#x4EBA;&#x751F;&#x82E6;&#x77ED;&#xFF0C;&#x6211;&#x7528;Python&apos;</span>)
    print(<span class="hljs-string">&apos;------------------------------------&apos;</span>)
</code></pre>
<h3 id="&#x4E8C;&#x3001;&#x8C03;&#x7528;&#x51FD;&#x6570;">&#x4E8C;&#x3001;&#x8C03;&#x7528;&#x51FD;&#x6570;</h3>
<p>&#x5B9A;&#x4E49;&#x4E86;&#x51FD;&#x6570;&#x4E4B;&#x540E;&#xFF0C;&#x5C31;&#x76F8;&#x5F53;&#x4E8E;&#x6709;&#x4E86;&#x4E00;&#x4E2A;&#x5177;&#x6709;&#x67D0;&#x4E9B;&#x529F;&#x80FD;&#x7684;&#x4EE3;&#x7801;&#xFF0C;&#x60F3;&#x8981;&#x8BA9;&#x8FD9;&#x4E9B;&#x4EE3;&#x7801;&#x80FD;&#x591F;&#x6267;&#x884C;&#xFF0C;&#x9700;&#x8981;&#x8C03;&#x7528;&#x5B83;</p>
<p>&#x8C03;&#x7528;&#x51FD;&#x6570;&#x5F88;&#x7B80;&#x5355;&#x7684;&#xFF0C;&#x901A;&#x8FC7; <strong>&#x51FD;&#x6570;&#x540D;()</strong> &#x5373;&#x53EF;&#x5B8C;&#x6210;&#x8C03;&#x7528;</p>
<pre><code class="lang-python"><span class="hljs-comment"># &#x5B9A;&#x4E49;&#x5B8C;&#x51FD;&#x6570;&#x540E;&#xFF0C;&#x51FD;&#x6570;&#x662F;&#x4E0D;&#x4F1A;&#x81EA;&#x52A8;&#x6267;&#x884C;&#x7684;&#xFF0C;&#x9700;&#x8981;&#x8C03;&#x7528;&#x5B83;&#x624D;&#x53EF;&#x4EE5;</span>
printInfo()
</code></pre>
<h3 id="&#x4E09;&#x3001;&#x6CE8;&#x610F;">&#x4E09;&#x3001;&#x6CE8;&#x610F;:</h3>
<ul>
<li>&#x51FD;&#x6570;&#x5B9A;&#x4E49;&#x597D;&#x4EE5;&#x540E;&#xFF0C;&#x51FD;&#x6570;&#x4F53;&#x91CC;&#x7684;&#x4EE3;&#x7801;&#x5E76;&#x4E0D;&#x4F1A;&#x6267;&#x884C;&#xFF0C;&#x5982;&#x679C;&#x60F3;&#x8981;&#x6267;&#x884C;&#x51FD;&#x6570;&#x4F53;&#x91CC;&#x7684;&#x5185;&#x5BB9;&#xFF0C;&#x9700;&#x8981;&#x624B;&#x52A8;&#x7684;&#x8C03;&#x7528;&#x51FD;&#x6570;&#x3002;</li>
<li>&#x6BCF;&#x6B21;&#x8C03;&#x7528;&#x51FD;&#x6570;&#x65F6;&#xFF0C;&#x51FD;&#x6570;&#x90FD;&#x4F1A;&#x4ECE;&#x5934;&#x5F00;&#x59CB;&#x6267;&#x884C;&#xFF0C;&#x5F53;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#x4E2D;&#x7684;&#x4EE3;&#x7801;&#x6267;&#x884C;&#x5B8C;&#x6BD5;&#x540E;&#xFF0C;&#x610F;&#x5473;&#x7740;&#x8C03;&#x7528;&#x7ED3;&#x675F;&#x4E86;&#x3002;</li>
<li>&#x5F53;&#x7136;&#x4E86;&#x5982;&#x679C;&#x51FD;&#x6570;&#x4E2D;&#x6267;&#x884C;&#x5230;&#x4E86;return&#x4E5F;&#x4F1A;&#x7ED3;&#x675F;&#x51FD;&#x6570;&#x3002;</li>
</ul>
<h3 id="&#x56DB;&#x3001;&#x7EC3;&#x4E00;&#x7EC3;">&#x56DB;&#x3001;&#x7EC3;&#x4E00;&#x7EC3;</h3>
<p>&#x8981;&#x6C42;&#xFF1A;&#x5B9A;&#x4E49;&#x4E00;&#x4E2A;&#x51FD;&#x6570;&#xFF0C;&#x80FD;&#x591F;&#x8BA1;&#x7B97;&#x4E24;&#x4E2A;&#x6570;&#x5B57;&#x4E4B;&#x548C;&#xFF0C;&#x5E76;&#x4E14;&#x8C03;&#x7528;&#x8FD9;&#x4E2A;&#x51FD;&#x6570;&#x8BA9;&#x5B83;&#x6267;&#x884C;</p>
<ul>
<li>&#x4F7F;&#x7528;def&#x5B9A;&#x4E49;&#x51FD;&#x6570;</li>
<li>&#x7F16;&#x5199;&#x5B8C;&#x51FD;&#x6570;&#x4E4B;&#x540E;&#xFF0C;&#x901A;&#x8FC7; <strong>&#x51FD;&#x6570;&#x540D;()</strong> &#x8FDB;&#x884C;&#x8C03;&#x7528;</li>
</ul>

                    
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